Frozen Contours of the Bratsk Reservoir, Russia

The Bratsk Reservoir appears covered in snow and ice in this winter image of Russian Siberia. It is a reservoir of the Angara River, located in Irkutsk Oblast, Russia.

It has a surface area of 5470 km2 and a maximum volume of 169.27 × 1012 litres (37.2 × 1012 gallons). At the time of its inauguration, in 1967, the reservoir was the largest artificial lake in the world.